Spawn a thread for WebSocket messages.

This commit is contained in:
Ms2ger 2015-07-13 14:53:21 +02:00
parent 91849cb603
commit 32ddd356b8

View file

@ -24,6 +24,7 @@ use script_task::ScriptMsg;
use std::cell::{Cell, RefCell}; use std::cell::{Cell, RefCell};
use std::borrow::ToOwned; use std::borrow::ToOwned;
use util::str::DOMString; use util::str::DOMString;
use util::task::spawn_named;
use hyper::header::Host; use hyper::header::Host;
use websocket::Message; use websocket::Message;
@ -101,6 +102,9 @@ impl WebSocket {
let parsed_url = try!(Url::parse(&url).map_err(|_| Error::Syntax)); let parsed_url = try!(Url::parse(&url).map_err(|_| Error::Syntax));
let url = try!(parse_url(&parsed_url).map_err(|_| Error::Syntax)); let url = try!(parse_url(&parsed_url).map_err(|_| Error::Syntax));
// Step 2: Disallow https -> ws connections.
// Step 3: Potentially block access to some ports.
// Step 4. // Step 4.
let protocols = protocols.as_slice(); let protocols = protocols.as_slice();
@ -121,54 +125,41 @@ impl WebSocket {
} }
} }
/*TODO: This constructor is only a prototype, it does not accomplish the specs // Step 6: Origin.
defined here:
http://html.spec.whatwg.org // Step 7.
The remaining 8 items must be satisfied.
TODO: This constructor should be responsible for spawning a thread for the
receive loop after ws.r().Open() - See comment
*/
let ws = reflect_dom_object(box WebSocket::new_inherited(global, parsed_url), let ws = reflect_dom_object(box WebSocket::new_inherited(global, parsed_url),
global, global,
WebSocketBinding::Wrap); WebSocketBinding::Wrap);
let address = Trusted::new(global.get_cx(), ws.r(), global.script_chan());
let channel = establish_a_websocket_connection(url, global.get_url().serialize()); let origin = global.get_url().serialize();
let (temp_sender, _temp_receiver) = match channel { let sender = global.script_chan();
Ok(channel) => channel, spawn_named(format!("WebSocket connection to {}", ws.Url()), move || {
Err(e) => { // Step 8: Protocols.
debug!("Failed to establish a WebSocket connection: {:?}", e);
let global_root = ws.r().global.root();
let address = Trusted::new(global_root.r().get_cx(), ws.r(), global_root.r().script_chan().clone());
let task = box CloseTask {
addr: address,
};
global_root.r().script_chan().send(ScriptMsg::RunnableMsg(task)).unwrap();
return Ok(ws);
}
};
//Create everything necessary for starting the open asynchronous task, then begin the task. // Step 9.
let global_root = ws.r().global.root(); let channel = establish_a_websocket_connection(url, origin);
let addr: Trusted<WebSocket> = let (temp_sender, _temp_receiver) = match channel {
Trusted::new(global_root.r().get_cx(), ws.r(), global_root.r().script_chan().clone()); Ok(channel) => channel,
let open_task = box ConnectionEstablishedTask { Err(e) => {
addr: addr, debug!("Failed to establish a WebSocket connection: {:?}", e);
sender: temp_sender, let task = box CloseTask {
}; addr: address,
global_root.r().script_chan().send(ScriptMsg::RunnableMsg(open_task)).unwrap(); };
//TODO: Spawn thread here for receive loop sender.send(ScriptMsg::RunnableMsg(task)).unwrap();
/*TODO: Add receive loop here and make new thread run this return;
Receive is an infinite loop "similiar" the one shown here: }
https://github.com/cyderize/rust-websocket/blob/master/examples/client.rs#L64 };
TODO: The receive loop however does need to follow the spec. These are outlined here
under "WebSocket message has been received" items 1-5: let open_task = box ConnectionEstablishedTask {
https://github.com/cyderize/rust-websocket/blob/master/examples/client.rs#L64 addr: address,
TODO: The receive loop also needs to dispatch an asynchronous event as stated here: sender: temp_sender,
https://github.com/cyderize/rust-websocket/blob/master/examples/client.rs#L64 };
TODO: When the receive loop receives a close message from the server, sender.send(ScriptMsg::RunnableMsg(open_task)).unwrap();
it confirms the websocket is now closed. This requires the close event });
to be fired (dispatch_close fires the close event - see implementation below)
*/ // Step 7.
Ok(ws) Ok(ws)
} }